Using well proven boron phosphide (BP) technology, Thales Optronics (formally Barr & Stroud Ltd.) have expanded the range of IR materials successfully protected to include gallium arsenide. BP has already been used as part of a dual band coating for FLIR grade ZnS which performs well environmentally and is currently used on several prototype dome systems. Having a hardness lower than germanium, gallium arsenide is perhaps not the first choice for applications required to perform well in harsh conditions however there are some other useful properties, among these is the recently reported ability to create low resistivity material for stealth applications and low free-carrier absorption at elevated temperatures. This paper will look at some of the measured optical and physical characteristics of this new substrate/coating system including rain erosion tested by whirling arm and solid particle erosion. In addition some attention will be given to the actual vs. theory performances and envisaged practical applications.


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    Titel :

    A two color Mach 3 IR coating for TAMD systems


    Beteiligte:
    Clark, C.C. (Autor:in) / Haddow, D. (Autor:in)


    Erscheinungsdatum :

    2001


    Format / Umfang :

    8 Seiten, 6 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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